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V <br />' 819 Striker Avenue, Suite 8 <br />Sequoia Sacramento, CA 95834 <br />(916)921-9600 <br />L A n a'j yti ^al FAX (916) 921-0100 <br />j -i C.11 (� www.sequolalabs.com <br />Kleinfelder - Stockton <br />.2825 East Myrtle Street <br />Stockton CA, 95205 <br />�Y <br />Project: Northbrook <br />Project Number: 34202.E01 <br />Project Manager: Joe Zilles <br />Volatile Organic Compounds by EPA Method 8260B . <br />Sequoia Analytical - Sacramento <br />S308269 <br />Reported: <br />08/20/03 17:53 <br />Reporting <br />(Analyte Result Limit Units Dilution Batch Prepared Analyzed Method Notes <br />r B2-24" (S308269-01) Soil Sampled: 08/13/03.08:45 Received: 08/13/03 16:50 <br />i-Propylbenzene <br />ND <br />0.0050 <br />mg/kg 1 3080244 08/1'8/03 08/18/03 EPA 8260B <br />tyrene <br />ND <br />0.0050 <br />1,1,1,2 -Tetrachloroethane <br />ND <br />0.0050 <br />1,1,2,2 -Tetrachloroethane <br />ND <br />0.0050 <br />etrachloroethene <br />ND <br />0.0050 <br />Toluene <br />ND <br />0.0050 <br />" <br />1,2,3-Trichlorobenzene <br />ND <br />0.0050 <br />" <br />1,2,4-Trichlorobenzene <br />ND <br />0.0050 <br />" <br />1 -Trichloroethane <br />ND <br />0.0050 <br />" <br />1,1,2 -Trichloroethane <br />ND <br />0.0050 <br />ND ` <br />0.0050 <br />" <br />TCrichldroethene <br />richlorofluoromethane <br />ND <br />0.025 <br />" <br />1,2,3-Trichloropropane <br />ND <br />0.0050 <br />" <br />1,2,4-Trimethylbenzene <br />ND <br />0.0050 <br />" <br />t,3,5-Trimethylbenzene <br />ND <br />0.0050 <br />" <br />inyl chloride <br />ND <br />0.025 <br />" <br />m>P-X lene <br />Y <br />ND <br />0.0050 <br />" <br />thanol <br />ND <br />0:20 <br />Cert -amyl methyl ether <br />ND <br />0.0050 <br />Ethyl tert-butyl ether <br />ND <br />0.0050 <br />" <br />1)i-isopropyl ether <br />ND <br />0.0050 <br />cert-butylalcohol <br />ND <br />0.050 <br />urrogate: Dibromofluoroniethane <br />103% <br />60-140 <br />Surrogate: 1,2 -DCA -d4 <br />106 % <br />60-140 <br />urrogate: Toluene -d8 <br />104% <br />60-140 <br />urrogate: 4 -BFB <br />108 % <br />60-140 <br />L <br />L <br />Sequoia Analytical - Sacramento.. The results in this report apply to the samples analyzed in accordance with the chain of <br />custody document. Unless otherwise stated, results are reported on a wet weight basis. <br />L This analytical report must be reproduced in its entirety. <br />I <br />Page 11 of 29 <br />